Silkscreen print of the top side of board NMB911, revision R10, supplied as a small PDF.

Circuit schematic in PDF for the original Xiaomi M1 phone, with the Chinese title meaning Xiaomi schematic diagram.

Here is a 570 KB PDF catalogued as a schematic whose name is simply 28010, without any brand or board identifier.

Layout file in .cad boardview format for the MSI MS-V328 card, revision 7.0, about 2.06 MB.

NXP user manual UM10403 schematic of a 90 W reference adapter design using the TEA1752T and TEA1791T.

Component placement map for the bottom side of the Xiaomi Mi 5 mainboard; the Chinese name translates to Xiaomi 5 bottom component distribution diagram.

Code 50MT060ULS is the only information in the name of this 224 KB PDF, filed as a schematic, with no brand, model or board specified.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Bottom copper layout for the universal dos vas Matrix board, probably a dual voltage amplifier stage module, tagged langsung print for direct printing.

Short electronics course in Spanish, a 1.26 MB PDF catalogued with schematics but evidently a teaching document rather than a circuit for a particular device.

PDF schematic for the Dell Inspiron 15-5000 series on Compal motherboard LA-B012P, revision r10, and noticeably larger at 3.06 MB than some other copies of the same…

Archive named for the IBM ThinkPad A31, around 988 KB in RAR format. The name carries no motherboard number, revision or document type, so the contents need checking…

ASUS ZenBook UX303LNB revision 2.0 boardview, supplied as a 195 KB RAR archive. Inside is the board layout file that shows part placement, net names and pad connections…

PDF of about 41.4 KB covering the 5LN01S, catalogued as a schematic but most likely a component datasheet.

Small 173 KB PDF named dos vas, a short and uninformative title that most likely refers to a dual VAS layout, the voltage amplifier stage of a class AB power amplifier.

Copper pattern of the Apex Class A shunt board, viewed through the PCB from the component side, according to the Serbo-Croatian title.

PDF document about a broadcasting system, 402 KB, catalogued as a schematic. Apart from that topic the file name gives no model, brand or board number, so its exact…

Spanish course section 3.1 on the multimeter, provided as a 526 KB PDF within the workshop equipment chapter. No meter model is mentioned.

Boardview for MSI MS-V347 at revision 3.0, saved as a .cad layout of about 4.2 MB. MSI uses the MS-V series for its graphics card boards.

MS-V330 Rev 6.1 boardview in .cad format, weighing 3.41 MB. With a compatible viewer you can click on any part to see its net, highlight all pins on a rail and flip…

Layout file for the MSI MS-V389 graphics board, revision R2.0, used on GeForce RTX 3080 and RTX 3090 cards.

Apple iPhone 11 Pro reference material covering the high-frequency diversity receive circuit, supplied as a 347 KB RAR archive.

Compact 41.1 KB PDF covering the 1N5817 to 1N5819 range of 1 A Schottky barrier rectifiers, with the 1N5819 as the 40 V top grade.

Portuguese introductory study material on digital electronics, the first part of a course series judging by the numbering in the name.

Spanish electronics series El mundo de la electronica, issue number 23, provided as a 1.18 MB PDF.

PDF table of Linear Technology marking codes, intended for identifying LT parts from the abbreviated top marks printed on small packages.

Bottom-side block diagram, marked BOT, for board document sr28c51351, revision B, VZ PROD build with code 0310, provided as a 137 KB PDF.

Block diagram in PDF form for the Samsung Galaxy A01 Core, model SM-A013F. It gives a top-level overview of how the main subsystems on the phone board connect, such as…

Schematic for the ASUS Eee Top all-in-one PC models ET1601 and ET1602, motherboard EM16-DHS at revision 1.03G.

PDF schematic for revision 5.3 of the MSI MS-7817 mainboard, archived as a 1 MB RAR. Opening it in any PDF reader lets you search net names, follow power sequencing from…

Bottom copper artwork for the Matrix i4 amplifier board rated 250 watts at 4 ohms, labelled langsung print, meaning ready for direct printing.

Spanish course section 3.4 on the microscope, a brief 114 KB PDF from the workshop equipment chapter of a mobile repair series. No microscope brand or model is stated.

PDF reference listing Ricoh component marking codes, the short codes printed on small SMD packages.

Schematic PDF named only with the number 15250, about 2.06 MB, with no brand or model given.

Spanish training PDF on identifying the parts of a smartphone, describing the main components and modules found inside a typical handset.

Full schematic in PDF for the MI2 mainboard at the P4 build, with 0917 most likely the drawing date.

Schematic for Compal board LA-E331P, revision 1.0, with AAM00 given as the project code, in a 2.35 MB PDF.

Boardview of the ASUS K53SV laptop motherboard, revision 3.1, inside a RAR archive of about 200 KB.

Small Portuguese PDF of 57.8 KB that, judging by its name, is a May schedule for live classes rather than a circuit diagram, despite being filed under schematics and…

El mundo de la electronica number 16, a 1.41 MB Spanish PDF from a numbered electronics learning series.